Respuesta :
The molar concentration of Cu2 in diluted solution would be 0.25M
What is molar concentration?
Molar concentration, also known as molarity, amount concentration, or substance concentration, is a unit used to describe the amount of a substance in a solution expressed as a percentage of its volume. The number of moles per litre, denoted by the unit symbol mol/L as well as mol/dm3 in SI units, is the most widely used unit for molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or 1 M.
How it can be solved ?
Molar concentration is the most effective way of describing a solute concentration in a solution. Molarity is described as the total number of moles of solute dissolved in per liter of solution M = mol/L.
Before dilution
Volume of solution = 15 ml
Cu2+ concentration = 0.45 ml
After dilution
Volume of solution = 26 ml
Cu2+ concentration = M2
M1V1 = M2V2
M2 = M1V1 / V2
M2 = O.45 X 15 / 26
M2 = 0.25 M
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